The Laundryman (2015)

A-Gu enlists a group of contract killers in the disguise of laundry service. One of them, code-named "No. 1, Greenfield Lane", is haunted by the ghosts of his victims. He seeks help from Lin Hsiang, a psychic. Lin helps him get rid of the ghosts, but the laundry hides secrets more than she bargains for. What "No. 1, Greenfield Lane" runs away from turn out to be the ghosts from his past.